The Improved Stopping Power Of Performance HR Brake Rotors Over Stock Brake Rotors
Rotors are designed, when used in conjunction with the brake caliper and brake pads, to convert forward motion (kinetic energy) into thermal energy (heat). The rotors are ultimately responsible for the dispersal of all this heat, making their thickness, cooling capacity and surface diameter important factors to consider when searching for a good aftermarket replacement rotor. Overheating rotors can cause brake fade, accelerated disc brake pad deterioration and in some cases, front end wobble if the problem becomes severe. Selecting the appropriate rotor, in conjunction with your brake choice, allows both components to work together effectively and last longer as well.
HR Performance rotors are offered in slotted, drilled, cross-drilled and both slotted and cross-drilled. The reason for slotted, drilled or cross-drilled rotors is to add extra cooling area to the rotor brake surfaces.
Slotted rotors have machined grooves that draw cool air into the space between the pad and rotor for additional heat dispersal and cooler brake operation. They also improve dispersal of the brake dust, snow and rain water. One of the issues that can sometimes arise from using slotted brake rotors is the additional noise you might experience because the slots create more air turbulence. This is because the slots are not straight, but curved, and designed to channel the most air possible to the braking surface while rotating. This is also why it is essential that a slotted rotor be used on the proper side; otherwise it defeats the purpose of the slots.
Customers always ask, what is the advantage of drilled and or slotted brake rotors over stock plain brake rotors? The advantage of slots is that it dramatically improves stopping power. Each brake disc is machined with four to five slots per side, depending on the vehicle, that extends off the edge of the rotor surface to remove dust and water away from the brake pad surface keeping the vehicle wheels cleaner and allowing for better braking. Additional benefit of the slots is the way it cools the brake pad and rotor surface eliminating brake fade or loss of braking ability. Second most commonly asked question is, what do the holes do? The advantage of the drilled holes is to allow heat that has built up between the rotor and brake pad surface to dissipate when your vehicle has been driven for long periods of time.This dissipation of heat will help prevent rotor warping and extend the life of your brake rotor. There are two types of holes that are offered on performance rotors, dimpled drilled and cross drilled. The dimpled holes are drilled without braking the pad surface which allows for heat dissipation while keeping the rotors structurally strong for vehicle's that are heavier or have inherit problems with warping rotors. Cross drilled holes are completely drilled through both disc surfaces allowing air to pass through and heat to dissipate. This drilling process is commonly used on rotors installed on light to medium duty vehicles including high performance vehicles. The substantial improvement in braking you will feel and the warranty that is included with every performance drilled and slotted brake rotor, is worth the upgrade over stock replacement rotors.
Last Updated @ 10/13/2016 5:44:23 PM
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